We've all seen these Rubik's Cubes practically since they came on the market.
There have even been all kinds of robots that are able to solve a mixed up cube but...

What about a cube that can solve itself unaided?!!

Yes... it kind of takes all the fun out of it now doesn't it?

Well, here it is...

So the invisible man is real, here's the proof.

Puzzling evidence 

Hehe, cool 

Such a clever invention the Rubik's cube. I still have mine which was bought when they were first around in the 80s.